package com.zy.bean4.service;

/**
 * @program: maven3
 * @description:
 * @author: zy
 * @create: 2025-09-09 17:16
 */
public interface ProductService {
    public void add(String pname, double price);
    public void update(String pname, double price);
    public double findPrice(String pname);
}
